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We are looking for a Senior Frontend Engineer - Chain Track UI Modernization to join FusionHit's fast-paced, high-impact environment. In this role, you will lead UI modernization initiatives for enterprise retail and supply chain systems, driving architecture decisions and elevating frontend engineering standards across teams.
You will play a key role in transforming legacy platforms into scalable, maintainable, and performance-driven applications while collaborating closely with backend, DevOps, and product stakeholders.
This project focuses on modernizing enterprise-level retail systems that directly support business-critical store and supply chain operations.
Location: Must reside and have work authorization in Latin America.
Availability: Must be available to work with significant overlap with Mountain Standard Time (MST).
The Ideal Candidate Has:
View our Reviews on Glassdoor: FusionHit Glassdoor
Take a look at our company LinkedIn page: FusionHit Linkedin
Take a look at our company culture video: FusionHit Culture Video
You will play a key role in transforming legacy platforms into scalable, maintainable, and performance-driven applications while collaborating closely with backend, DevOps, and product stakeholders.
This project focuses on modernizing enterprise-level retail systems that directly support business-critical store and supply chain operations.
Location: Must reside and have work authorization in Latin America.
Availability: Must be available to work with significant overlap with Mountain Standard Time (MST).
The Ideal Candidate Has:
- BS/MS in Computer Science, Software Engineering, or related field.
- 6+ years of experience in Frontend Engineering.
- 5+ years of hands-on experience with React and strong experience using NextJS.
- Advanced expertise in TypeScript, including complex type modeling and scalable architecture patterns.
- Experience designing and maintaining shared component libraries and design systems.
- Strong experience building hybrid and enterprise-grade applications.
- Proven experience integrating with Java/Spring services and Postgres-backed APIs.
- Strong understanding of phased modernization strategies over legacy backend systems.
- Deep experience with Playwright (E2E) and Jest (unit testing).
- Strong understanding of enterprise testing strategies for data-heavy UIs.
- Experience managing CI/CD pipelines in GitLab.
- Experience implementing monitoring and observability strategies using Datadog.
- Experience leading frontend modernization initiatives.
- Retail, store operations, or supply chain system experience (strong plus).
- Comfortable engaging with stakeholders and incorporating real-world user feedback.
- Bonus: Android and/or iOS frontend experience.
- Excellent communication skills in English (C1 preferred, strong B2 may be considered).
- Lead frontend architecture decisions and modernization strategy.
- Design scalable UI solutions using React, NextJS, and TypeScript.
- Drive best practices in code quality, testing, and CI/CD automation.
- Collaborate cross-functionally with backend, DevOps, and product teams.
- Mentor mid-level engineers and promote engineering excellence.
- Define testing strategies using Playwright and Jest.
- Ensure performance optimization and monitoring using Datadog.
- Lead phased migration from legacy systems to modern frontend architecture.
- Incorporate user feedback and real-world retail workflows into UI improvements.
- Certified as a Great Place to Work, offering a supportive and inclusive work culture
- Work from home position
- Private Medical Insurance
- Corporate Access to FusionHit Udemy Account
- Personal and Professional Development Courses & Certifications
- Flexible Schedule
- 3 Sick Days per year
- Birthday Off
- Extra Days for Special Occasions
- Team Building Meal Reimbursement
- Equipment Granted
- Monthly Recognitions
- High Impact Committees
View our Reviews on Glassdoor: FusionHit Glassdoor
Take a look at our company LinkedIn page: FusionHit Linkedin
Take a look at our company culture video: FusionHit Culture Video
Key Skills
Ranked by relevance
ui
typescript
datadog
devops
react
cicd
design systems
android
gitlab
ios
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- Posted
- Feb 12, 2026
- Type
- Full-time
- Level
- Entry
- Location
- Bolivia
- Company
- FusionHit
Industries
IT Services
IT Consulting
Categories
Other
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View Job Details
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View Job Details
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